Real-Time Quality Monitoring

Synopsis

Real-Time Monitor – RTM – is a single channel full reference monitoring solution for audio quality, video quality, audio/video sync (lip-sync), audio program loudness and, for SDI input signals, VANC line data integrity. RTM tests these signal parts and reports the results continuously both as UDP data words and graphically for the user for any duration. It will alert (via audio or SNMP) and automatically record incoming audio/video (A/V) segments when the quality drops below a pre-configured threshold. The recorded uncompressed A/V sequences from source and processed test input, or stream, are then available for payback as a syncronized side-by-side output from the RTM system’s HDSDI interface on desktop window for program error review and resolution. Custom scripted routines are also available for product QA regression testing.

Broadcast, Cable and/or IPTV Head End Operational Diagram

Baseband, full-reference, long duration quality monitoring using RTM:

Source A/V signal is fed using professional decoder HDSDI or IP to the input #1 on RTM from points A or B as in the above diagram

The processed A/V feed is then also fed via HDSDI, IP, or converted to HDSDI from HDMI on the back channel delivery device in the headend to input #2 on RTM from points B, C or D

RTM tests for preset quality levels and also reports quality measurements for all parameters continuously on the desktop, log file and data unicast for as long as required

RTM can be set to records A/V segments for the duration of the threshold errors with a preset heads and tails length for each recording

RTM Player application is provided to recall recorded errors and play as syncronized side-by-side uncompressed video on desktop or video output for review and diagnosis

IP delivery service monitoring – with a scheduled quality test using RTM:

RTM allows selection of source and processed stream from IP networks

Source can be from baseband HDSDI or IP – Point A in the above diagram

Processed feed can be from MPTS or SPTS in IP from point B, C or D in the above diagram

About Video Clarity:
Video Clarity, Inc. is a leading provider of video quality measurement and video analysis systems. Products include RTM for video monitoring and automatic fault recording for before and after content is put to air and ClearView systems, video quality analyzers with extensive visual analysis capabilities and audio / video quality measurements. Additionally, the ClearView Player/Recorder line provides a reliable uncompressed video server solution for an engineering lab environment. All systems are offered with automated test routines to improve customer productivity and time to market with a quality product or service.

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